Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。...a relative on the maternal side of his family.他母亲那边的一位亲戚The sight of the hopeless little ...
现在,点击安装按钮 ( 不要打勾的方块 ).Now click on Install Button ( do not tick the box ).如果已婚,请在方块内打勾.Please check here if you are married.选择你最喜欢的食物. 打勾并说一说.IV. Choose your favorite food. Tick and say....
A neutron is simply a neutral particle in the nucleus of an atom.中子就是原子核里不带电的粒子。Neutron is neutral and slightly heavier than the proton.中子是中性的,比质子略重.These elements alone, however, are not quite as satisfactory for neutro...